000 00260nam a22001097a 4500
082 _a030
_bWOR/Y-5
245 _aYOUNG SCIENTIST :
_bATOMS & MOLECULES,GASES
260 _aCHICAGO
_bWORLD BOOK
300 _a126
650 _aGENERAL KNOWLEDGE
_zCHICAGO
942 _cBK
999 _c2195
_d2195